Full-stack Engineer - Console & Billing (Spain)

Full-stack Engineer - Console & Billing (Spain)

Join to apply for the Full-stack Engineer - Console & Billing (Spain) role at Crossmint

Full-stack Engineer - Console & Billing (Spain)

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Join to apply for the Full-stack Engineer - Console & Billing (Spain) role at Crossmint

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About Crossmint

Stablecoins and blockchains are upgrading the world’s financial system — and Crossmint lets companies harness their power with ease.

Crossmint is a one-stop-shop developer platform for building modern financial applications, from the next generation of fintechs to applications that leverage AI agent–driven commerce.

About Crossmint

Stablecoins and blockchains are upgrading the world’s financial system — and Crossmint lets companies harness their power with ease.

Crossmint is a one-stop-shop developer platform for building modern financial applications, from the next generation of fintechs to applications that leverage AI agent–driven commerce.

With just a few lines of code, developers can integrate programmable wallets, stablecoin payments, tokenization, on / off ramps, compliance, and agentic commerce tools — all from a single vendor, without the need for a large team of blockchain engineers.

From companies like MoneyGram and Visa to entire nation states, our more than 40,000 clients use Crossmint to launch new financial products, tokenize assets, and build applications for agentic commerce — all on fully managed infrastructure across 50+ chains.

If you want to help build the backbone of programmable finance and agentic systems, we’d love to work with you!

Location

We have offices in Madrid (Gran Vía), and we are also open to a full remote setting from Spain.

Type of employment

Full-time, indefinite contract.

Seniority

4-7 years of experience. We are also open to considering candidates with more than 7 years of experience.

Responsibilities

As a Full-stack Engineer for the Developer Console team at Crossmint, you will play a crucial role in building and maintaining the financial infrastructure that powers our ecosystem. You will ensure the seamless management of subscriptions, payments, and usage reporting, enabling our users to engage with our services effortlessly. Your responsibilities will include :

• Write high-quality code : correct, secure, performant, maintainable.
• Develop and optimize billing workflows : Design, implement, and improve the billing system that manages subscription plans, processes payments, and integrates with Stripe for project fund management.
• Architect and maintain financial data systems : Ensure user transactions, balances, and payment methods are accurately stored and managed.
• Enhance the Usage section : Build tools to track and report usage metrics, providing transparency to users on their consumption.
• Write architectural and design docs individually and with the team.
• Run your projects end to end : from conceptualization to shipping and beyond.
• Perform On-Call duties : participate in paid on-call shifts (once or twice a quarter).
• Mentor new team members.

About You

To thrive in this role, you should possess the following qualifications :

Please keep in mind : This is the full list of everything we’re looking for. You don’t need to check every single box to be a strong candidate, and having a good number of these would already indicate a solid fit for the role.

Why Join Crossmint?

You will own critical systems at the heart of our financial infrastructure, powering subscriptions, payments, and usage for apps used by millions. As a Full-stack Engineer, you’ll ship end-to-end, shape architecture, and solve meaningful challenges alongside a sharp, mission-driven team. If you want autonomy, impact, and to build the future of onchain development, this is your place!

Benefits

Our Principles

Talent research indicates that women are often less inclined than men to apply for a role unless they have experience in 100% of the listed skills. However, this list is only a guide. We welcome your application even if you feel you meet around 75% of the requirements. At Crossmint, we believe skills can be learned, and diversity makes us stronger.

We work to foster a respectful environment where each person can be their authentic self, free from harassment, racism, and any form of discrimination. We proudly uphold our commitment to diversity and inclusion as an equal opportunity employer, and this policy applies to all employment practices within our organization.

Please note that Crossmint never conducts AI-based interviews, and all of our processes include an initial video call with a team member. Crossmint will not request your personal identification documents or any payment at any point during your interview process. Please stay vigilant about potential fraud. If you receive an email that claims to be from Crossmint but ends with any domain other than @crossmint.com, @crossmint.io or @paella.dev, it is not from us. We own these three domains listed before, and they are the only legitimate ones.

Please let our Talent Team know if you need any assistance completing any forms, or participating in the process.

Follow us on Linkedin and Twitter to keep updated with our latest activity!

Seniority level

Seniority level

Mid-Senior level

Employment type

Employment type

Full-time

Job function

Job function

Engineering and Information Technology

Industries

Software Development

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